3 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
5 var parser = require('postcss-value-parser');
6 var vendor = require('postcss').vendor;
7 var list = require('postcss').list;
9 var Transition = function () {
10 function Transition(prefixes) {
11 _classCallCheck(this, Transition);
13 Object.defineProperty(this, 'props', {
16 value: ['transition', 'transition-property']
19 this.prefixes = prefixes;
23 * Process transition and add prefies for all necessary properties
27 Transition.prototype.add = function add(decl, result) {
32 var declPrefixes = this.prefixes.add[decl.prop] && this.prefixes.add[decl.prop].prefixes || [];
34 var params = this.parse(decl.value);
35 var names = params.map(function (i) {
36 return _this.findProp(i);
40 if (names.some(function (i) {
46 for (var _iterator = params, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
50 if (_i >= _iterator.length) break;
51 _ref = _iterator[_i++];
53 _i = _iterator.next();
60 prop = this.findProp(param);
61 if (prop[0] === '-') continue;
63 var prefixer = this.prefixes.add[prop];
64 if (!prefixer || !prefixer.prefixes) continue;
66 for (var _iterator3 = prefixer.prefixes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
68 if (_i3 >= _iterator3.length) break;
69 prefix = _iterator3[_i3++];
71 _i3 = _iterator3.next();
76 var prefixed = this.prefixes.prefixed(prop, prefix);
77 if (prefixed !== '-ms-transform' && names.indexOf(prefixed) === -1) {
78 if (!this.disabled(prop, prefix)) {
79 added.push(this.clone(prop, prefixed, param));
85 params = params.concat(added);
86 var value = this.stringify(params);
88 var webkitClean = this.stringify(this.cleanFromUnprefixed(params, '-webkit-'));
89 if (declPrefixes.indexOf('-webkit-') !== -1) {
90 this.cloneBefore(decl, '-webkit-' + decl.prop, webkitClean);
92 this.cloneBefore(decl, decl.prop, webkitClean);
93 if (declPrefixes.indexOf('-o-') !== -1) {
94 var operaClean = this.stringify(this.cleanFromUnprefixed(params, '-o-'));
95 this.cloneBefore(decl, '-o-' + decl.prop, operaClean);
98 for (var _iterator2 = declPrefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
100 if (_i2 >= _iterator2.length) break;
101 prefix = _iterator2[_i2++];
103 _i2 = _iterator2.next();
108 if (prefix !== '-webkit-' && prefix !== '-o-') {
109 var prefixValue = this.stringify(this.cleanOtherPrefixes(params, prefix));
110 this.cloneBefore(decl, prefix + decl.prop, prefixValue);
114 if (value !== decl.value && !this.already(decl, decl.prop, value)) {
115 this.checkForWarning(result, decl);
126 Transition.prototype.findProp = function findProp(param) {
127 var prop = param[0].value;
128 if (/^\d/.test(prop)) {
129 for (var i = 0; i < param.length; i++) {
130 var token = param[i];
131 if (i !== 0 && token.type === 'word') {
140 * Does we aready have this declaration
144 Transition.prototype.already = function already(decl, prop, value) {
145 return decl.parent.some(function (i) {
146 return i.prop === prop && i.value === value;
151 * Add declaration if it is not exist
155 Transition.prototype.cloneBefore = function cloneBefore(decl, prop, value) {
156 if (!this.already(decl, prop, value)) {
157 decl.cloneBefore({ prop: prop, value: value });
162 * Show transition-property warning
166 Transition.prototype.checkForWarning = function checkForWarning(result, decl) {
167 if (decl.prop !== 'transition-property') {
171 decl.parent.each(function (i) {
172 if (i.type !== 'decl') {
175 if (i.prop.indexOf('transition-') !== 0) {
178 if (i.prop === 'transition-property') {
182 if (list.comma(i.value).length > 1) {
183 decl.warn(result, 'Replace transition-property to transition, ' + 'because Autoprefixer could not support ' + 'any cases of transition-property ' + 'and other transition-*');
190 * Process transition and remove all unnecessary properties
194 Transition.prototype.remove = function remove(decl) {
197 var params = this.parse(decl.value);
198 params = params.filter(function (i) {
199 var prop = _this2.prefixes.remove[_this2.findProp(i)];
200 return !prop || !prop.remove;
202 var value = this.stringify(params);
204 if (decl.value === value) {
208 if (params.length === 0) {
213 var double = decl.parent.some(function (i) {
214 return i.prop === decl.prop && i.value === value;
216 var smaller = decl.parent.some(function (i) {
217 return i !== decl && i.prop === decl.prop && i.value.length > value.length;
220 if (double || smaller) {
229 * Parse properties list to array
233 Transition.prototype.parse = function parse(value) {
234 var ast = parser(value);
237 for (var _iterator4 = ast.nodes, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
241 if (_i4 >= _iterator4.length) break;
242 _ref2 = _iterator4[_i4++];
244 _i4 = _iterator4.next();
252 if (node.type === 'div' && node.value === ',') {
258 return result.filter(function (i) {
264 * Return properties string from array
268 Transition.prototype.stringify = function stringify(params) {
269 if (params.length === 0) {
273 for (var _iterator5 = params, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
277 if (_i5 >= _iterator5.length) break;
278 _ref3 = _iterator5[_i5++];
280 _i5 = _iterator5.next();
287 if (param[param.length - 1].type !== 'div') {
288 param.push(this.div(params));
290 nodes = nodes.concat(param);
292 if (nodes[0].type === 'div') {
293 nodes = nodes.slice(1);
295 if (nodes[nodes.length - 1].type === 'div') {
296 nodes = nodes.slice(0, +-2 + 1 || undefined);
298 return parser.stringify({ nodes: nodes });
302 * Return new param array with different name
306 Transition.prototype.clone = function clone(origin, name, param) {
309 for (var _iterator6 = param, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
313 if (_i6 >= _iterator6.length) break;
314 _ref4 = _iterator6[_i6++];
316 _i6 = _iterator6.next();
323 if (!changed && i.type === 'word' && i.value === origin) {
324 result.push({ type: 'word', value: name });
334 * Find or create seperator
338 Transition.prototype.div = function div(params) {
339 for (var _iterator7 = params, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : _iterator7[Symbol.iterator]();;) {
343 if (_i7 >= _iterator7.length) break;
344 _ref5 = _iterator7[_i7++];
346 _i7 = _iterator7.next();
353 for (var _iterator8 = param, _isArray8 = Array.isArray(_iterator8), _i8 = 0, _iterator8 = _isArray8 ? _iterator8 : _iterator8[Symbol.iterator]();;) {
357 if (_i8 >= _iterator8.length) break;
358 _ref6 = _iterator8[_i8++];
360 _i8 = _iterator8.next();
367 if (node.type === 'div' && node.value === ',') {
372 return { type: 'div', value: ',', after: ' ' };
375 Transition.prototype.cleanOtherPrefixes = function cleanOtherPrefixes(params, prefix) {
378 return params.filter(function (param) {
379 var current = vendor.prefix(_this3.findProp(param));
380 return current === '' || current === prefix;
385 * Remove all non-webkit prefixes and unprefixed params if we have prefixed
389 Transition.prototype.cleanFromUnprefixed = function cleanFromUnprefixed(params, prefix) {
392 var remove = params.map(function (i) {
393 return _this4.findProp(i);
394 }).filter(function (i) {
395 return i.slice(0, prefix.length) === prefix;
396 }).map(function (i) {
397 return _this4.prefixes.unprefixed(i);
401 for (var _iterator9 = params, _isArray9 = Array.isArray(_iterator9), _i9 = 0, _iterator9 = _isArray9 ? _iterator9 : _iterator9[Symbol.iterator]();;) {
405 if (_i9 >= _iterator9.length) break;
406 _ref7 = _iterator9[_i9++];
408 _i9 = _iterator9.next();
415 var prop = this.findProp(param);
416 var p = vendor.prefix(prop);
417 if (remove.indexOf(prop) === -1 && (p === prefix || p === '')) {
425 * Check property for disabled by option
429 Transition.prototype.disabled = function disabled(prop, prefix) {
430 var other = ['order', 'justify-content', 'align-self', 'align-content'];
431 if (prop.indexOf('flex') !== -1 || other.indexOf(prop) !== -1) {
432 if (this.prefixes.options.flexbox === false) {
436 if (this.prefixes.options.flexbox === 'no-2009') {
437 return prefix.indexOf('2009') !== -1;
446 module.exports = Transition;